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所在平台: Udemy |
课程主页: https://www.udemy.com/course/mathematics-r/
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这门Coursera课程“数学速成：解决数学条形图”旨在帮助学习者快速掌握条形图及其在数学中的应用。 课程核心内容包括： * **条形图的定义与作用：** 解释了条形图作为一种图表，如何用等宽、高度（或长度）成比例的矩形条来直观展示分类数据，以及它在比较离散类别数据时的重要性。 * **条形图的五种主要类型：** 1. **简单条形图（Simple Bar Diagram）：** 展示单个数据集的条形图。 2. **多重条形图（Multiple Bar Diagram）：** 用于比较同一类别下的多个数据集。 3. **复合条形图（Compound Bar Diagram）：** 将不同数据集的各个部分叠加在同一个条形内展示。 4. **百分比条形图（Percent Bar Diagram）：** 将每个条形表示为100%，展示各部分占总体的百分比。 5. **水平条形图（Horizontal Bar Diagram）：** 将条形图的条形以水平方向排列。 * **图表的其他类型简介：** 简要介绍了线图（Line Graph）和饼图（Pie Chart）的概念和用途，帮助学习者了解不同图表在数据可视化中的作用。 * **实践与练习：** 课程不仅涵盖了不同类型的条形图和相关问题，还包括与条形图主题相关的其他问题以及额外的练习题，以巩固学习效果。 课程的目标是让学习者能够理解和熟练运用条形图来解决数学问题，并能够识别和解释不同类型的条形图。
A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally. A vertical bar chart is sometimes called a column chart.A bar graph shows comparisons among discrete categories. One axis of the chart shows the specific categories being compared, and the other axis represents a measured value. Some bar graphs present bars clustered in groups of more than one, showing the values of more than one measured variable.In this course, you have learned many types of bar graphs Mainly There are five Types of Bar Diagram1. Simple Bar Diagram2. Multiple Bar Diagram3. Compound Bar Diagram4. Percent Bar Diagram5. Horizontal Bar DiagramI just cover different types of Bar graphs and questions related to that and also cover topic related questions and some extra questions for practice.What is a Graph?In math, a graph can be defined as a pictorial representation or a diagram that represents data or values in an organized manner. The points on the graph often represent the relationship between two or more things.Here, for instance, we can represent the data given below, the type and number of school supplies used by students in a class, on a graph. We begin by counting each supply and representing the data in particular colors in a systematic order in a table.Bar GraphA bar graph is the representation of numerical data by rectangles (or bars) of equal width and varying height. The gap between one bar and another is uniform throughout. Bar graphs can be either horizontal or vertical. The height or length of each bar relates directly to its value.Line Graph:A line graph uses dots connected by lines to show the changes over a period of time.Pie Chart:The pie chart is also known as a circle graph. It shows how a whole is divided into different parts. The pie chart shows the relative size of each data set in proportion to the entire data set. Percentages are used to show how much of the whole each category occupies.
